Re: What is Silver Solder ???

Posted by Joe Evans on June 03, 2005 at 06:17:56 from (67.129.216.135):

In Reply to: What is Silver Solder ??? posted by Wondering Again on June 02, 2005 at 18:28:08:

Yes, many different % content of silver in these solders.

A common alloy is Harris Stay-Silv 15, also called Sil-Fos and contains 15% silver. I sold in a flat wire configuration about a 1/16" thick x 3/16 wide and 12" long.

Silver has a great affinity for copper and is used for making very tough, hi-temp solder joints. Typical application would be on oxygen and hydrogen lines where K copper pipe and wrot fittings are spec'd.

In the event of a fire, you wouldn't want a common solder joint failing and further feeding a fire with an opened oxygen or hydrogen joint.

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